In Hubble Space Telescope images, many ancient galaxies have disturbed morphologies, a telltale sign of interaction. 哈伯太空望远镜的影像显示，很多远古的星系有受扰动过的形态，这是交互作用的证据。
The evidence so far is that there has been little sign of contagion from the housing market to declining household consumption or business investment. 迄今为止的证据是，没有迹象表明，住宅市场的状况已导致家庭消费或企业投资不断下降。
